Dailymotion Data Breach (2016): What Was Exposed & What To Do

In October 2016, the video sharing platform Dailymotion experienced a data breach that exposed information associated with more than 85 million user accounts. The incident was reported on October 20, 2016, and involved email addresses, usernames, and bcrypt hashes of passwords. Incidents of this scale continue to occur across online service providers, where large volumes of account data remain attractive targets for unauthorized access.

Breaking down the breach

The breach affected 85.2 million accounts on the Dailymotion platform. Available information states that the exposed data included email addresses, usernames, and bcrypt hashes of passwords. No further details on the method used to gain access or the exact period during which the data was obtained have been disclosed.

How a breach like this happens

Breaches involving user account databases often begin with an attacker obtaining unauthorized entry to an organization's systems through vulnerabilities in web applications, compromised credentials, or misconfigured servers. Once inside, the attacker can locate and extract tables containing login information. Passwords stored as hashes, such as those produced by bcrypt, require additional computational effort to attempt reversal, though the presence of the hashes themselves still creates downstream risks if users have reused credentials elsewhere.

About Dailymotion

Dailymotion operates as a video sharing service that allows users to upload, view, and interact with video content through registered accounts. Organizations in this sector routinely collect and retain email addresses, usernames, and password data to manage user authentication and platform features. A breach at a service of this type is consequential because the affected records can intersect with accounts on other platforms where individuals have used the same login details.

What was likely exposed

The reported data types consist of email addresses, usernames, and bcrypt hashes of passwords. The exact contents of the dataset have not been independently verified beyond these categories. Organizations of this kind typically store additional profile information such as account creation dates or usage logs, but whether any such fields were included remains unconfirmed.

What's at stake

For individuals whose information appeared in the dataset, the primary concern is the potential for the email addresses and password hashes to be tested against other online services. If a hash can be reversed and the corresponding password matches an account elsewhere, unauthorized access becomes possible. For the organization, the incident creates obligations around notification, remediation of access controls, and management of user trust following disclosure of the event.

If your data was in this breach

Review any accounts that share the same email address or username and change passwords where reuse is suspected. Enable multi-factor authentication on services that support it. Individuals can run a free exposure scan of their email address to check whether their information has surfaced in known breach data.

AICompiled with AI assistance from public sources and published under our editorial standards.